197237147 has 2 divisors, whose sum is σ = 197237148. Its totient is φ = 197237146.

The previous prime is 197237141. The next prime is 197237171. The reversal of 197237147 is 741732791.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 197237147 - 2¹⁴ = 197220763 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (197237141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98618573 + 98618574.

It is an arithmetic number, because the mean of its divisors is an integer number (98618574).

Almost surely, 2^197237147 is an apocalyptic number.

197237147 is a deficient number, since it is larger than the sum of its proper divisors (1).

197237147 is an equidigital number, since it uses as much as digits as its factorization.

197237147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 74088, while the sum is 41.

The square root of 197237147 is about 14044.1143188170. The cubic root of 197237147 is about 582.0981744928.

The spelling of 197237147 in words is "one hundred ninety-seven million, two hundred thirty-seven thousand, one hundred forty-seven".